22 CI/FSV/FSS/430/450-EN Rev. G |
VortexMaster FSV430, FSV450 SwirlMaster FSS430, FSS450
5.1.5
Installation for external pressure and temperature
measurement
Fig. 12: Arrangement of the temperature and pressure measuring
points
1
Pressure measuring point
2
Temperature measuring point
As an option, the flowmeter can be fitted with a Pt100 for
direct temperature measurement. This temperature
measurement enables, for example, the monitoring of the
measuring medium temperature or the direct measurement of
saturated steam in mass flow units.
If pressure and temperature are to be compensated externally
(e.g. with the flow computer unit), the measuring points must
be installed as illustrated.
5.1.6
Installation of final controlling equipment
Fig. 13: Installation of final controlling equipment
Final controlling equipment must be arranged
downstream
of
the flowmeter in forward flow direction spaced at a minimum 5
x DN.
If the measuring medium is conveyed through piston pumps /
plunger pumps or compressors (pressures for fluids > 10 bar
[145 psi]), it may be subject to hydraulic vibration in the piping
when the valve is closed.
If this does occur, it is essential that the valve be installed in
forward flow direction
upstream
of the flowmeter.
Suitable damping devices (such as air vessels if using a
compressor for conveying) may need to be used.
The SwirlMaster FSS400 is particularly well suited for such
arrangements.
G11756
1
2
3 ... 5 x DN
2 ... 3 x DN
≥5 x DN
FSS400
FSV400
≥5 x DN
G11761